No electricity needed to decorate with this set of solar string lights, just a sunny day to charge the solar panel and the 200 warm white LEDs will glow all night. The multi function switch allows you to choose between eight different modes, including steady, flashing, chasing and more. Measuring 77 feet from first LED to last, the clear wire is virtually invisible, letting only the light show on any surface. A 6-foot lead wire is connected to a solar panel that swivels at the top to angle towards the sun. 1.3 watt solar panel and 3 AA rechargeable Ni-Mh batteries are included with this multi function string light. A built in automatic photocell control turns lights on at dusk and off at dawn. Light string and solar panel meet IP 44 waterproof standards. Solar panel measures 6-inch by 4-1/2-inch by 1-1/4-inch and will brighten your home with clean, green power.